參數(shù)資料
型號： S3882
廠商： AUK Corp
英文描述： Current Mode PWM Controller
中文描述： 電流模式PWM控制器
文件頁數(shù)： 2/8頁
文件大?。?/td> 327K
代理商： S3882
KSI-8008-001
2
S3882
Absolute Maximum Ratings
Ta=25
°
C
Characteristic
Symbol
Supply Voltage
Output Current
Analog Inputs
Vi(ana)
Error Amp. Output Sink current
Isink(EA)
Power Dissipation
Electrical Characteristics
(Vcc=15V, Rt=10Kohm,Ct=3.3nF, Ta=0
℃
to 70
℃
, Unless otherwise specified)
Characteristic
Symbol
Test Condition
1. Reference Section
Ratings
28
1
-0.3 to 6.3
10
1
Unit
V
A
V
mA
W
Vcc
Io
Pd
Min.
Typ. Max.
Unit
Output Voltage
Vref
Tj=25
℃
, Io=1mA
4.91
5.00
5.09
V
Line Regulation
Δ
Vref
12V
≤
V
CC
≤
25V
-
6
20
mV
Load Regulation
Δ
Vref
1mA
≤
I
O
≤
20mA
Ta
=25
°
C
-
6
25
mV
Output Short Current
2. Oscillator Section
Isc
-180
-100
-
mA
Initial Accuracy
f
OSC
Tj=25
℃
47
52
57
KHz
Voltage Stability
△
f /
△
V
12V
≤
V
CC
≤
25V
-
0.2
1.0
%
Oscillator Voltage
V
OSC
V
pin4
, peak to peak
1.4
1.7
1.8
V
Discharge Current
I
discharge
Tj=25
°
C,
Pin4=2V
7.8
8.3
8.8
mA
3. Error Amp Section
Input Voltage
V
2
V
PIN1
=2.5V
2.42
2.50
2.58
V
Input Bias Current
I
b
-
-2.0
-0.3
-
Open Loop Voltage Gain
A
VO1
2V
≤
V
O
≤
4V
65
90
-
Unity Gain Bandwidth
GBW
Tj=25
°
C
0.7
1
-
MHz
PSRR
PSRR1
V
CC
=12V to 25V
60
70
-
Output Sink Current
I
SINK
V
PIN2
=2.7V, V
PIN1
=1.1V
2
6
-
mA
Output Source Current
I
SOURCE
V
PIN2
=2.3V, V
PIN1
=5V
-0.8
-0.5
mA
Output High Voltage
V
OH
V
pin2
=2.3V, R
1
=15
to GN
5
6
-
V
Output Low Voltage
V
OL
V
PIN2
=2.3V, R
1
=15
to PIN8
-
0.8
1.1
V
4. Current Sense Section
Gain
G
V
-
2.85
3.0
3.15
V/V
Maximum Input Signal
V
i(MaX)
V
PIN 1
=5V
0.9
1.0
1.1
V
PSRR
PSRR2
12V
≤
V
CC
≤
25V
-
70
-
Input Bias Current
I
bias
-
-10
-2
-
Delay to Output
T
d
V
PIN 3
=0V to 2V
-
100
200
nS
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